There are no active watches, warnings or advisories for Jefferson (Colorado).

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
Bulletin Board
68.8
METRIC | IMPERIAL
Updated: 05/24/2015 @ 3:00:00 pm  
Summary / Temperature Wind Rain/Melted Snow Fire Risk


Overcast and gloomy, Dry
Overcast and gloomy, Dry

51.2°F Colder 4.5°F than last hour.
---
Currently 51.2, Max: 58.0, Min: 38.6 Feels like:
49°F

24-hr
difference
-1.9°FColder 1.9°F than yesterday at this time.
TEMP: HIGH: LOW:
Today: 58.0°F 38.6°F
12:28pm 6:28am
Yesterday: 57.7°F 41.7°F
11:40am 11:53pm
Record: 82.0°F 26.1°F
2012 1988
Normal: 63.0°F 41.0°F
 Wind from N N
6.1
Gust:
6
Light Breeze
60-Min Avg: 5.7 mph
120-Min Avg: 6.1 mph
Max Gust: 16 mph 2:25pm
Month: 39 mph May 16
Today: 0.00 in
Storm Rain: 0.93 in
Yesterday: 0.35 in
Last
Rain:
05/23/2015
10:25 PM
May: 6.34 in
Last 7 Days: 2.37 in
Rain Season:1 13.86 in
Rain Days: 54 in 2015
22 rain days in May.
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
4.7
at 3:00 PM
Barometer Humidity/Dew Point Sun/Moon
Current: 29.734 inHg Rising 0.015 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Steady
Today: Todays High 29.830
Todays Low 29.712
Humidity: 66 % Increased 1% since last hour.
Humidex: 49.7°F     
Today: Todays High     
Todays Low     
Dew Point: 40.2°F Decreased 3.9°F since last hour.
Wetbulb: 46.2°F     
Daylight:
Possible hours of Daylight
14:36
+ 00:01:32 Min
Evening Crescent, 6 days, 16 hours, 46 minutes in cycle
2% Illuminated
Current UV Index Current Solar Energy
0.0
Sunburn in
N/A Minutes
Highest:
12:39pm
10.0
Energy: 28 W/m2 (3 %)
High: 1106 at  12:39pm
Feels like: 50.1°F
Wind Chill Heating Degree Days Air Quality6
Current: 49.0°F
Today: 35.3°F  at 6:41am
Yesterday: 40.8°F
Last Week: 31.8°F
Record: -23.8°F   01-Feb-2011
Today: 14.2
May: 363.4
2015 to Date: 3059.7
Cooling Degree Days
2015 to Date: 0.0
Current AQI

27


Good
Snow3 Irrigation Index5 Station All Time Records Cloud Level
Today: 0.00 in
Yesterday: 0.00 in
May: 3.00 in
Season Total:2 73.62 in
Snow Depth: 0.00 in
1 snow day in May
26 snow days this season.2
Updated at Midnight
Current: 0.11 in   
7-Days Rain: 2.37 in   
7-Days ET: 0.50 in   
7-Day: 1.87 in 1.87 in water in excess of what evaporated in last 7 days.
May: 4.01 in 4.01 in water in excess of what evaporated this month.
Outside Now
Air Density: 1.232 kg/m3
HIGHS: LOWS:
99.3°F
25-Jun-2012
-13.9°F
02-Feb-2011
Daytime Records
    95.5°F
25-Jun-2012
  -4.9°F
01-Feb-2011
Nitetime Records
  82.0°F
24-Jun-2012
-9.4°F
02-Feb-2011
ICN:20 ISS:Ok CON:4.6 RCP:100%
1 Rain season: Jan 1st to Dec 31st.    2 Snow season October 1st to September 30th.    3 Snow manually measured usually around 7AM and 7PM.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.) 6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.
 NWS Weather Forecast  -   Outlook Late Afternoon & Tonight
Late
Afternoon

T-Storms Likely. Chance for Measurable Precipitation 70%
T-Storms
Likely
Hi 63 °F
NWS forecast: Showers and thunderstorms likely. Cloudy, with a high near 63. North northeast wind around 9 mph. Chance of precipitation is 70%.
WXSIM forecast: Partly to mostly cloudy. A chance of rain. High 61°. UV index up to 7. Wind east around 2 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Tonight

Chance T-Storms. Chance for Measurable Precipitation 50%
Chance
T-Storms
Lo 43 °F
NWS forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West northwest wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
WXSIM forecast: Partly cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Low 43°. Wind west around 2 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
 NWS Short Term Weather Forecast
Tonight

Chance T-Storms. Chance for Measurable Precipitation 50%
Chance
T-Storms
Lo 43 °F
Memorial
Day

Chance Showers. Chance for Measurable Precipitation 30%
Chance
Showers
Hi 64 °F
Monday
Night

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Lo 44 °F
Tuesday

Slight Chc T-Storms. Chance for Measurable Precipitation 10%
Slight Chc
T-Storms
Hi 70 °F
Tuesday
Night

Slight Chc T-Storms. Chance for Measurable Precipitation 10%
Slight Chc
T-Storms
Lo 47 °F
Wednesday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 74 °F
Wednesday
Night

Slight Chc T-Storms
Slight Chc
T-Storms
Lo 47 °F
Thursday

Chance T-Storms
Chance
T-Storms
Hi 68 °F
Version 5.03 09-Apr-2010 - Script Mods by: WebsterWeatherLIVE.com
Some Colorado Weather Facts:
The wettest month is usually May.

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